Operation precautions: closed operation, strengthen ventilation. Operators must be specially trained and strictly abide by the operating procedures. It is suggested that operators should wear self-priming filter type dust mask, chemical safety glasses, anti poison penetration work clothes and rubber gloves. Avoid dust. Avoid contact with alkali and potassium. During transportation, it should be loaded and unloaded lightly to keep the package intact and prevent spillage. Equipped with leakage emergency treatment equipment.